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All results from a given calculation for NHCHSH (Methanimidothioic acid)

using model chemistry: CISD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/cc-pVDZ
 hartrees
Energy at 0K-491.986474
Energy at 298.15K-491.990212
HF Energy-491.578204
Nuclear repulsion energy93.864902
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CISD/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3575 3296 1.62      
2 A' 3171 2923 29.30      
3 A' 2815 2595 0.18      
4 A' 1754 1617 139.88      
5 A' 1436 1324 28.91      
6 A' 1247 1149 25.99      
7 A' 965 890 43.67      
8 A' 739 681 61.04      
9 A' 436 402 18.68      
10 A" 1112 1025 4.08      
11 A" 757 698 66.24      
12 A" 379 350 40.36      

Unscaled Zero Point Vibrational Energy (zpe) 9192.5 cm-1
Scaled (by 0.9218) Zero Point Vibrational Energy (zpe) 8473.6 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CISD/cc-pVDZ
ABC
1.91384 0.20088 0.18180

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.238 1.050 0.000
C2 0.000 0.777 0.000
S3 -0.614 -0.884 0.000
H4 1.360 2.065 0.000
H5 -0.819 1.512 0.000
H6 0.609 -1.445 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.26802.67781.02232.10852.5733
C21.26801.77131.87291.10012.3045
S32.67781.77133.54872.40511.3449
H41.02231.87293.54872.24803.5897
H52.10851.10012.40512.24803.2838
H62.57332.30451.34493.58973.2838

picture of Methanimidothioic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 S3 122.676 N1 C2 H5 125.692
C2 N1 H4 109.243 C2 S3 H6 94.386
S3 C2 H5 111.632
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability